Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 127
... colour ; but it also frequently occurs on the head , on the back , on the tail - coverts above or below , on the ... colours are the varied de- COLOURS OF HUMMING - BIRDS . 127.
... colour ; but it also frequently occurs on the head , on the back , on the tail - coverts above or below , on the ... colours are the varied de- COLOURS OF HUMMING - BIRDS . 127.
Page 128
... colours . But the tail is even a more varied and beautiful ornament , either short and rounded , but pure white or ... coloured feathers ; or with the two outer feathers wire - like and having broad spoon - shaped tips . All these ...
... colours . But the tail is even a more varied and beautiful ornament , either short and rounded , but pure white or ... coloured feathers ; or with the two outer feathers wire - like and having broad spoon - shaped tips . All these ...
Page 141
... colour , however , the male getting a tinge of reddish - brown , which gradually deepened into the fine colour now exhibited by the two insular species , while the female , more slowly , changed to white on the under - surface and on ...
... colour , however , the male getting a tinge of reddish - brown , which gradually deepened into the fine colour now exhibited by the two insular species , while the female , more slowly , changed to white on the under - surface and on ...
Page 144
... colour . The increased size would naturally arise from greater abundance of food with a more equable climate throughout the year , the healthier , stronger , and larger individuals being pre- served . The change of colour would depend ...
... colour . The increased size would naturally arise from greater abundance of food with a more equable climate throughout the year , the healthier , stronger , and larger individuals being pre- served . The change of colour would depend ...
Page 145
... colour beneath is light ashy , the breast - spots are inter- mediate in size and colour , and the tail - feathers have a large ill - defined white spot on the end of the inner web which has only to be extended along the whole web to ...
... colour beneath is light ashy , the breast - spots are inter- mediate in size and colour , and the tail - feathers have a large ill - defined white spot on the end of the inner web which has only to be extended along the whole web to ...
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Common terms and phrases
abundant adapted adorned Africa allied Amazon animals ants Asia attract bamboo Batavia beautiful become birds blue brilliant butterflies carnivora causes changes character characteristic climate colour Colours of Animals comparatively conspicuous continent curious Danaidæ Darwin distinct Eocene equator equatorial zone existence extensive fact families fauna favourable feet female ferns fertilization flowers foliage forests fruits genera genus greater green groups habits heat humming-birds hyænas immense inhabit insects Juan Fernandez land larger larvæ leaves lemurs less light Madagascar Malay Archipelago male mammalia marsupials Miocene monkeys natural selection naturalists North northern observed occur ocean ornaments Palearctic parrots peculiar perhaps phenomena plants plumage probably produced proportion protection rays region remarkable resemble sexual selection showy slender sometimes South America species spots structure sun-birds surface tail temperate zones temperature theory tints tion trees tropical trunks Ungulata variation varied variety vegetation whole wings yellow